Bandpass Filter, Colored Glass, 25.4 mm, Blue Bandpass, BG18 Glass

Colored Glass Blue Absorptive Bandpass Filters

The FSR-BG18 Colored Glass Bandpass Filter is a 25.4 mm diameter blue bandpass optical filter made of Schott BG18 filter glass. These bandpass filters are precision polished for demanding research or OEM applications.

Specifications

Technical Specs

Type
Colored Glass Bandpass Filter
Material
Schott BG18 or equivalent
Center Wavelength
493 nm
FWHM
160 nm
Angle of Incidence
0°
Size
Ø25.4 mm
Size Tolerance
±0.3 mm

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of diameter
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Type
Colored Glass Bandpass Filter
Material
Schott BG18 or equivalent
Center Wavelength
493 nm
FWHM
160 nm
Angle of Incidence
0°
Size
Ø25.4 mm
Size Tolerance
±0.3 mm

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of diameter
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

3D Product Models

2D Product Drawings

FBR-NDXX-S(62 kB, PDF)

Other

FSR-BG18 RoHS Certificate(702.4 kB, PDF)

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Compatible

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		Optical Filter Mount, Stackable, 1.0 in. Diameter Optics	UNIVERSAL				Learn More
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